SP5768 Datasheet, PDF (7/10 Pages) Zarlink Semiconductor Inc – 3.0 GHz Low Phase Noise Frequency Synthesiser

SP5768
300
VIN
(mV RMS
INTO 50Ω)
100
30
10
OPERATING
WINDOW
100 200
1000
FREQUENCY (MHz)
3000
Figure 6 - Typical input sensitivity
50 - 900MHz
1.6GHz
38.9MHz
11665500--22740000MMHHzz
2
3
VCO
3
VCO
101
10nF
Figure 7 - Example of double conversion from VHF/UHF frequencies to TV IF
18pF
2
39pF
3
4MHz
Optional application utilising
on–board crystal controlled
oscillator
CONTROL
MICRO
+30V
2n2
68pF _22k
13k3
BCW31
1
16
2
15
REFERENCE
1n
3
14
ENABLE
1n
4
13
DATA
5
12
CLOCK
6
11
P1
7
10
P0
P2
8
9
P3
+5V
1k
OR
4n7
+12V
OSCILLATOR
OUTPUT
10n
TUNER
Figure 8 - Typical application SP5768
7